1 /*****************************************************************************/
5 /* Symbol table entries for the cc65 C compiler */
9 /* (C) 2000-2001 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
48 /*****************************************************************************/
50 /*****************************************************************************/
58 /*****************************************************************************/
60 /*****************************************************************************/
64 /* Storage classes and flags */
65 #define SC_AUTO 0x0001U
66 #define SC_REGISTER 0x0002U /* Register variable, is in static storage */
67 #define SC_STATIC 0x0004U
68 #define SC_EXTERN 0x0008U
70 #define SC_ENUM 0x0030U /* An enum (numeric constant) */
71 #define SC_CONST 0x0020U /* A numeric constant with a type */
72 #define SC_LABEL 0x0040U /* A goto label */
73 #define SC_PARAM 0x0080U /* This is a function parameter */
74 #define SC_FUNC 0x0100U /* Function entry */
76 #define SC_STORAGE 0x0400U /* Symbol with associated storage */
77 #define SC_DEFAULT 0x0800U /* Flag: default storage class was used */
79 #define SC_DEF 0x1000U /* Symbol is defined */
80 #define SC_REF 0x2000U /* Symbol is referenced */
82 #define SC_TYPE 0x4000U /* This is a type, struct, typedef, etc. */
83 #define SC_STRUCT 0x4001U /* Struct or union */
84 #define SC_SFLD 0x4002U /* Struct or union field */
85 #define SC_TYPEDEF 0x4003U /* A typedef */
87 #define SC_ZEROPAGE 0x8000U /* Symbol marked as zeropage */
91 /* Symbol table entry */
92 typedef struct SymEntry SymEntry;
94 SymEntry* NextHash; /* Next entry in hash list */
95 SymEntry* PrevSym; /* Previous symbol in dl list */
96 SymEntry* NextSym; /* Next symbol double linked list */
97 SymEntry* Link; /* General purpose single linked list */
98 struct SymTable* Owner; /* Symbol table the symbol is in */
99 unsigned Flags; /* Symbol flags */
100 type* Type; /* Symbol type */
102 /* Data that differs for the different symbol types */
105 /* Offset for locals or struct members */
108 /* Label name for static symbols */
111 /* Value for constants (including enums) */
114 /* Data for structs/unions */
116 struct SymTable* SymTab; /* Member symbol table */
117 unsigned Size; /* Size of the union/struct */
120 /* Data for functions */
122 struct FuncDesc* Func; /* Function descriptor */
123 struct Segments* Seg; /* Segments for this function */
127 char Name[1]; /* Name, dynamically allocated */
132 /*****************************************************************************/
134 /*****************************************************************************/
138 SymEntry* NewSymEntry (const char* Name, unsigned Flags);
139 /* Create a new symbol table with the given name */
141 void FreeSymEntry (SymEntry* E);
142 /* Free a symbol entry */
144 void DumpSymEntry (FILE* F, const SymEntry* E);
145 /* Dump the given symbol table entry to the file in readable form */
147 int IsTypeDef (const SymEntry* E);
148 /* Return true if the given entry is a typedef entry */
150 void ChangeSymType (SymEntry* Entry, type* Type);
151 /* Change the type of the given symbol */
155 /* End of symentry.h */